new package virtualgl (#4297)

* new package virtualgl, depends on mesa-glu but NOT on mesa, so added a variant to mesa-glu

* add comment on mesa variant of mesa-glu

2 files changed, 48 insertions, 1 deletions

diff --git a/var/spack/repos/builtin/packages/mesa-glu/package.py b/var/spack/repos/builtin/packages/mesa-glu/package.py
index 02ce82e44a..ecc60b6135 100644
--- a/var/spack/repos/builtin/packages/mesa-glu/package.py
+++ b/var/spack/repos/builtin/packages/mesa-glu/package.py
@@ -34,4 +34,6 @@ class MesaGlu(AutotoolsPackage):
 
     version('9.0.0', 'bbc57d4fe3bd3fb095bdbef6fcb977c4')
 
-    depends_on('mesa')
+    variant('mesa', default=True,
+       description='Usually depends on mesa, disable for accelerated OpenGL')
+    depends_on('mesa', when='+mesa')
diff --git a/var/spack/repos/builtin/packages/virtualgl/package.py b/var/spack/repos/builtin/packages/virtualgl/package.py
new file mode 100644
index 0000000000..744c6da56f
--- /dev/null
+++ b/var/spack/repos/builtin/packages/virtualgl/package.py
@@ -0,0 +1,45 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+#
+from spack import *
+
+
+class Virtualgl(CMakePackage):
+    """VirtualGL redirects 3D commands from a Unix/Linux OpenGL application
+       onto a server-side GPU and converts the rendered 3D images into a video
+       stream with which remote clients can interact to view and control the
+       3D application in real time."""
+
+    homepage = "http://www.virtualgl.org/Main/HomePage"
+    url      = "http://downloads.sourceforge.net/project/virtualgl/2.5.2/VirtualGL-2.5.2.tar.gz"
+
+    version('2.5.2', '1a9f404f4a35afa9f56381cb33ed210c')
+
+    depends_on("libjpeg-turbo")
+    # virtualgl require OpenGL but also wants to link libglu
+    # on systems without development packages, provide with spack and depends
+    # on mesa-glu, but we do not want Mesa OpenGL sw emulation, so added
+    # variant on mesa-glu to disable dependencies on sw emulated OpenGL
+    depends_on("mesa-glu~mesa")